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1. 发明授权

US5683219A Mechanical truck restraint 失效
标题翻译：机械卡车限制
公开(公告)号：US5683219A
公开(公告)日：1997-11-04
申请号：US660372
申请日：1996-06-07
申请人： John M. Gilles, Jr. , Michael M. Riddle
发明人： John M. Gilles, Jr. , Michael M. Riddle
IPC分类号： B65G69/00 , B65G67/02
CPC分类号： B65G69/003
摘要： A mechanical track restraint that can be mounted to a loading dock without any modification whatsoever to the loading dock or to the concrete pad that is poured in front of the loading dock on which a truck sits during the loading process. The mechanical track restraint can be bolted onto the dock, can be removed and replaced with another device, moved to another location easily and quickly, and can be installed and/or repaired quickly. The device includes a base having a pipe and angle irons welded to the pipe to hold the pipe in place. Fitted within the pipe is a dowel and a spring that coils about the dowel. Fitted over the dowel and spring combination is a holding tube which telescopes within the pipe. The pipe has a slot cut in the front of it so that a hook which is hingedly connected to the holding tube can extend out from the pipe and travel in an up and down direction to raise and lower the hook. Sleeves are welded to the holding tube and the hook includes pivot arms extending into the sleeves. Thus, the hook can be raised and lowered in response to the pressure of the spring unless the hook is pressed down and rotated into an "at rest" position. When the hook is rotated into an at rest position, it is clipped beneath a lock arm in an out of the way position to prevent injury to the device and to others passing near the device. An engagement tool is provided so that the hook can be pressed down against the pressure of the spring to release it from the locking arm, rotated into an active position and released so that the pressure of the spring will cause it to rise and engage the ICC bar on the rear of a track backed up to the dock.
摘要翻译：一种机械履带约束装置，可以在装载基座上安装到装载基座上，无需任何修改，装载基座或浇筑在装载过程中卡车所在的装载基座前面的混凝土垫块。机械轨道约束可以螺栓连接到基座上，可以拆下并用另一个设备更换，方便快捷地移动到另一个位置，并可以快速安装和/或修理。该装置包括具有焊接到管道上的管和角铁的基座，以将管道保持在适当位置。管内装有一个销钉和一个围绕销钉的弹簧。安装在定位销和弹簧组合上的是管道内的伸缩管。管道在其前部切割有狭槽，使得铰链连接到保持管的钩可以从管道伸出并沿上下方向移动以升高和降低钩子。套管焊接到保持管上，钩包括延伸到套筒中的枢转臂。因此，钩可以响应于弹簧的压力升高和降低，除非钩被按下并旋转到“静止”位置。当钩旋转到静止位置时，它被夹在锁定臂下方的位置，以防止装置受伤并且穿过设备附近的人受伤。提供了一种接合工具，使得钩可以克服弹簧的压力而被压下以将其从锁定臂释放，旋转到主动位置并释放，使得弹簧的压力将使其升高并接合ICC 在轨道的后方的条形备份到码头。

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